Home / 289,036.88-433,516.96-131,229.04

Finding the Fourth Proportional to 289,036.88, 433,516.96 and 131,229.04

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Solution

The fourth proportional to 289,036.88, 433,516.96 and 131,229.04 is: 196,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,036.88 : 433,516.96 = 131,229.04 : x
  2. Step 2: Convert to fraction form
    289,036.88/433,516.96 = 131,229.04/x
  3. Step 3: Cross multiply
    289,036.88x = 433,516.96 × 131,229.04
  4. Step 4: Simplify right side
    289,036.88x = 56,890,014,484.52
  5. Step 5: Solve for x
    x = 56,890,014,484.52/289,036.88
  6. Step 6: Final answer
    x = 196,826.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.